package com.example.lotterysystem.dao.mapper;

import com.example.lotterysystem.dao.dataobject.Encrypt;
import com.example.lotterysystem.dao.dataobject.UserDO;
import org.apache.ibatis.annotations.*;

import java.util.List;

@Mapper
public interface UserMapper {
    /**
     * 查询邮箱绑定的人数
     * @param email
     * @return
     */
    @Select("select count(*) from `user` where email=#{email}")
    int countByMail(@Param("email")String email);

    @Select("select count(*) from `user` where phone_number=#{phoneNumber}")
    int countByPhone(Encrypt phoneNumber);

    @Insert("insert into `user` (user_name,email,phone_number,password,identity) " +
            " values(#{userName},#{email},#{phoneNumber},#{password},#{identity})")
    @Options(useGeneratedKeys = true,keyProperty = "id",keyColumn = "id")
    void insert(UserDO userDO);

    @Select("select * from `user` where email = #{email}")
    UserDO selectByMail(@Param("email") String email);
    @Select("select * from  `user` where phone_number = #{phoneNumber}")
    UserDO selectByPhoneNumber(@Param("phoneNumber") Encrypt phoneNumber);

    @Select("<script>"
            + " SELECT * FROM user"
            + " <if test=\"identity != null\">"
            + " WHERE identity = #{identity}"
            + " </if>"
            + " order by id desc"
            + " </script>")
    List<UserDO> selectUserList(@Param("identity") String identity);

    @Select("<script>" +
            " select id from user" +
            " where id in" +
            " <foreach item='item' collection='items' open='(' separator=',' close=')'>" +
            " #{item}" +
            " </foreach>" +
            " </script>")
    List<Long> selectExistByIds(@Param("items") List<Long> ids);

    @Select("<script>" +
            " select * from user" +
            " where id in" +
            " <foreach item='item' collection='items' open='(' separator=',' close=')'>" +
            " #{item}" +
            " </foreach>" +
            " </script>")
    List<UserDO> selectListByIds(@Param("items")List<Long> items);
}
